Patient with Pnemonia Essay

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Running Head: PNEUMONIA Patient with Community Acquired Pneumonia Patient with Community Acquired Pneumonia Pneumonia 2 Pathophysiology Pneumococcal pneumonia is the most common form of bacterial pneumonia caused by Streptococcus pneumonia. The upper respiratory tract, blood, and nervous system are affected by this organism that is normally found in the throat and nose. There are four characteristic stages that are found in all types of pneumonia; congestion, red hepatization, gray hepatization, and resolution. During the congestion stage, the organism invades the alveoli and fluid is releases. As with all organisms, in the presence of fluids, they quickly multiply and the infection spreads. Lung function in interfered with. During the red hepatization stage, the capillaries are dilated and the alveoli are filled with RBC’s, fibrin, neutrophils, and the causative organism. The lung appears red and granular. It is known as the hepatization stage because during this stage, the lung looks similar to the liver. During the gray hepatization stage, blood is decreases and the fibrin and leukocytes consolidate in the affected part of the lungs. The main area for this is the bases. During the resolution stage, complete healing and resolution occur if no complications occur. Exudate is lysed and restored and gas exchange return to normal (Lewis, 2007). Complications that can occur are pleurisy, pleural effusion, atelectasis, bacteremia, lung abscess, empyema, pericarditis, meningitis, and endocarditis. Many of these are caused by the organism infecting other organs or areas of the lung (Lewis, 2007). Causes There are many causes to pneumonia. Some of the most frequent causes are bacteria, viruses, Mycoplasma, parasites, fungi, and chemicals. Aspiration pneumonia occurs when a foreign object enters the lungs and secretions cause pneumonia to develop. Pneumonia

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